2.5ct Emerald (Oval, 11.7×7.8mm, Green) vs 1ct Ruby (Cushion, 6×6mm, Red)
Quick summary: When looked from above (face-up position), 2.5ct Emerald (11.7×7.8mm, oval cut) appears 2.3 times larger than 1ct Ruby (6×6mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Emerald (oval cut) |
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1ct Ruby (cushion cut) |
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| 11.7×7.8 mm | 6×6 mm | |
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Actual sizes of
2.5ct Emerald Oval (11.7×7.8mm, Green)
and
1ct Ruby Cushion (6×6mm, Red)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Ruby will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(4 vs. 2.7 - this means it's "heavier" compared to Emerald of the same size). Face-up size also depends heavily on the
proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 2.5 Ct Emerald (Oval) | 1 Ct Ruby (Cushion) | |
| 11.7×7.8 mm | vs | 6×6 mm |
| 74.83 mm² | 32.4 mm² |
| 2.5ct Emerald Oval (11.7×7.8mm) | |
| 1ct Ruby Cushion (6×6mm) | |
| Difference: 131% (42.43 mm²) |
2.5ct Emerald Oval (11.7×7.8mm) has approx. 131% more face-up area than 1ct Ruby Cushion (6×6mm). In other words, it's 2.31x larger.
Popular comparisons:
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 2.5ct Ruby (Oval, Red, 10.26 x 6.84)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 1ct Diamond (Oval, White, 8.12 x 5.41)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 2.5ct Diamond (Oval, White, 11.01 x 7.34)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 2.5ct Sapphire (Oval, Blue, 10.26 x 6.84)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 5ct Sapphire (Cushion, Blue, 9.56 x 9.56)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 2.5ct Emerald (Round, Green, 9.25 x 9.25)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 2.5ct Peridot (Oval, Yellowish Green, 10.89 x 7.26)
- 2.5ct Emerald (Oval, Green, 11.7 x 7.8) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.